Chinese shares opened slightly lower on Wednesday in anticipation of possibly unsatisfactory economic data followed by measures to further stimulate the economy to be announced at the conclusion of a key economic conference.
The benchmark Shanghai Composite Index lost 0.6 percent, or 11.11 points, to 2,025.03 at the opening. The smaller Shenzhen index was down 49.87 points, to open at 7,311.12.
The key Shanghai index shot up to a high of 2044.01 shortly after the trading began, before it went lower again.
China Customs is expected to release November trade figures on Wednesday, and some analysts said that China's export may post a decline on a yearly basis.
On the same day, the three-day Central Economic Work Conference which gathered the country's top leaders will conclude and more measures are expected to maintain the stable growth of the economy against the adverse global economic circumstance.
In the previous trading day, Chinese shares fell more than 2.5 percent upon profit-taking from gains in the previous two days, and on worries about possibly unsatisfactory economic data.